Firewood storage rack



FIG. 1 is a perspective view of a firewood storage rack showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is an end elevational view, the opposite end being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a firewood storage rack, as shown and described. 